APT

Places

• Apt, Vaucluse, a commune of the Vaucluse département of France
• Arrondissement of Apt, an arrondissement in the Vaucluse département of France

Organizations

• Apt Records, a subsidiary record label of ABC-Paramount Records
• Alabama Public Television, a network of Public Broadcast TV stations
• American Players Theatre, a classical theater located in Spring Green, Wisconsin
• American Public Television, a television program provider in the United States
• Applied Probability Trust, a UK-based non-profit-making foundation for study and research in the mathematical sciences
• Art in Perpetuity Trust, a London-based charity
• ASEAN Plus Three, an international organisation
• Association for Public Transportation, a Boston-based nonprofit organization

Medicine

• Apt test, a medical test used to differentiate fetal or neonatal blood from maternal blood
• Activated partial thromboplastin time, a performance indicator measuring efficacy

Technology

• Atom-Probe Tomography, an atomic-resolution microscopy technique
• Attached Proton Test, a technique used in Carbon-13 NMR spectroscopy
• Automatic Picture Transmission, a weather satellite system
• Automatic self-cleaning Public Toilet, a self-cleaning public toilet
• APT, the unified digital advertising platform from Yahoo!

Computing

• APT (programming language), a high-level computer programming language
• Advanced Packaging Tool, Debian's high-level package management system, also used by other Linux distributions
• Almost Plain Text, a wiki-like syntax used by Apache Maven
• annotation processing tool, a utility for executing annotation processors in the Java programming language

People

• Jerome Apt, Ph.D. (born 1949), an American astronaut
• Allison Apt (born 1984), an Israel Supermodel

Other

• Apartment, a self-contained housing unit that occupies only part of a building
• APT (film), a 2006 South Korean horror film
• Advanced Passenger Train, an ambitious passenger train designed during late 1970s; also British Rail APT-E, the prototype unit
• Apt meteorite of 1803, which fell in Provence-Alpes-Cote d'Azur, France (see Meteorite falls)
• Appointment, Promotion, Tenure, a set of policies and procedures used by a university or college to determine rank or advancement for faculty
• Arbitrage pricing theory, a financial modeling theory